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Discussion Starter · #1 ·
hey guys my buddies trans am has been shootin some codes its been running alittle rough and it stalls at idle sometimes and hesitates to start (i was thinking fuel filter) but you guys would know better than me these are the codes

p0135
p0300
p0372
p1371
p0135
 

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Focus on the P0372 and P1371 for the rough running engine. Those indicate a probable issue with the distributor, possibly water intrusion. The P0135 is not a big issue; the heater or wire is defective on the front bank 1 O2 sensor, and that makes for a long time to get to closed loop fuel mode, but not rough running. The P0300 is likely due to the distributor problem.
 
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